Search a number
-
+
668593483 is a prime number
BaseRepresentation
bin100111110110011…
…110110101001011
31201121002001211121
4213312132311023
52332124442413
6150202140111
722365644065
oct4766366513
91647061747
10668593483
113134491a8
12167ab1637
13a869415c
1464b20735
153da6bb8d
hex27d9ed4b

668593483 has 2 divisors, whose sum is σ = 668593484. Its totient is φ = 668593482.

The previous prime is 668593433. The next prime is 668593507. The reversal of 668593483 is 384395866.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 668593483 - 217 = 668462411 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 668593483.

It is not a weakly prime, because it can be changed into another prime (668593403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334296741 + 334296742.

It is an arithmetic number, because the mean of its divisors is an integer number (334296742).

Almost surely, 2668593483 is an apocalyptic number.

668593483 is a deficient number, since it is larger than the sum of its proper divisors (1).

668593483 is an equidigital number, since it uses as much as digits as its factorization.

668593483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 52.

The square root of 668593483 is about 25857.1746909828. The cubic root of 668593483 is about 874.4212697713.

The spelling of 668593483 in words is "six hundred sixty-eight million, five hundred ninety-three thousand, four hundred eighty-three".